Per James Larsen, who covers the offseason leagues like the UFL, the Niners are signing Michigan Panthers wideout Malik Turner, who is familiar with the 49ers and Kyle Shanahan’s offense. Turner was productive in the UFL last season:

It took just 60 minutes of preseason football for the San Francisco 49ers ' wide receiver room to look its bleakest. Speaking with reporters on Monday, head coach Kyle Shanahan said that rookie wide receiver Jordan Watkins would be out for a month to recover from a high ankle sprain he apparently picked up during Saturday's 30-9 loss to the Broncos.

Kyle Shanahan addressed the possibility of the San Francisco 49ers signing a current free-agent wide receiver.